<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;

/**
 * 人工答疑
 *
 * @icon fa fa-circle-o
 */
class Usermanual extends Backend
{

    /**
     * Usermanual模型对象
     * @var \app\admin\model\Usermanual
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Usermanual;
    }


    public function index()
    {
        $user_id = $this->request->get('user_id');
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $list = $this->model
                ->where($where)
                ->where('user_id', $user_id)
                ->order($sort, $order)
                ->paginate($limit);
            foreach ($list as $k => $v) {
                $v->teacher_name = Db::name('user')->where('id', $v->teacher_id)->value('nickname');
            }
            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }

        $user_manual = Db::name('user_manual')->where('user_id', $user_id)->find();
        $user_is = empty($user_manual) ? 0 : 1;
        $this->assign('user_is', $user_is);
        return $this->view->fetch();
    }

    public function add()
    {
        if (false === $this->request->isPost()) {
            $user_id = $this->request->get('user_id');
            $this->assign('user_id', $user_id);

            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $user = $this->model->where('user_id', $params['user_id'])->find();
        if ($user) {
            $this->error("不能重读添加资源，请先删除之前的资源或者修改资源");
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException | PDOException | Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }
}
